| #241 | National geographic. -- Washington : The National Geographic Society, 1959-. -- ISSN 0027-9358 |
| #242 | National Geographic Česká republika. -- Praha : Sanoma Magazines, 2002-. -- ISSN 1213-9394 |
| #243 | The National geographic traveler. -- Praha : National Geographic Society, 2008-. -- ISSN 1554-4877 |
| #244 | Natur und Landschaft in der Niederlausitz. -- Cottbus : Naturwissenschaftlicher Verein der Niederlausitz e.V., 1992-. -- ISSN 1617-6812 |
| #245 | Natura Croatica : Periodicum Musei Historiae Naturalis Croatici = Časopis Hrvatskoga Prirodoslovnog Muzeja. -- Zagreb : Hrvatski prirodoslovni muzej, 1992-. -- ISSN 1330-0520 |
| #246 | Natural hazards review. -- Reston : American Society of Civil Engineers, 2000-. -- ISSN 1527-6988 print. -- ISSN 1527-6996 online |
| #247 | Nature geoscience. -- London : Nature Pub. Group, 2008-. -- ISSN 1752-0894 print. -- ISSN 1752-0908 online |
| #248 | New Zealand geographer. -- Carlton : Blackwell Publishing Asia, 1945-. -- ISSN 0028-8144 print. -- ISSN 1745-7939 online |
| #249 | New Zealand journal of marine and freshwater research : an international journal of aquatic science. -- Wellington : Royal Society of New Zealand, 1967-. -- ISSN 0028-8330 print. -- ISSN 1175-8805 online |
| #250 | Ocean dynamics. -- Berlin : Springer, 2001-. -- ISSN 1616-7341 print. -- ISSN 1616-7228 online |